肺功能和认知衰退的轨迹在老龄化人口中的衰退
Albert J Ksinan1, Andrea Dalecká1, Tatyana Court1
1RECETOX, Faculty of Science, Masaryk University, Brno, Czech Republic.
Experimental gerontology
|March 1, 2024
概括
通过峰值呼气流量 (PEF) 测量的肺功能减弱与老年人的认知表现下降有关. 然而,肺功能受损并不能预测未来的认知能力下降.
科学领域:
- 老年学是指老年学的学科.
- 神经科学是一个神经科学.
- 肺部病理学 肺部病理学
背景情况:
- 认知障碍是老龄化人口中日益严重的全球健康问题.
- 肺功能和认知衰退之间的关系需要在大型纵向研究中进一步调查.
- 这项研究调查了老年人肺功能和认知轨迹之间的联系.
研究的目的:
- 为了检查肺功能和认知衰退之间的纵向关联.
- 评估峰值呼气流 (PEF) 在多个领域对认知表现的影响.
- 为了确定肺功能是否预测了老年人认知能力下降的速度.
主要方法:
- 利用了来自14个国家的基于人口的预期SHARE数据.
- 包括32,049名老年人,在六个波中进行了反复的认知评估.
- 使用多层加快纵向设计,分析认知表现 (口语流,记忆,计算能力) 与呼吸流量峰值 (PEF) 相比.
主要成果:
- 较低的峰值呼气流 (PEF) 在所有测量领域 (口语流,记忆,计算能力) 和全球认知分数中与较低的认知表现有显著联系.
- 这些关联在调整多个共变量后仍然显著.
- 没有发现峰值呼气流 (PEF) 与随时间推移的认知能力下降率有关.
结论:
- 峰值呼气流 (PEF) 独立地与老年人的认知功能水平较低有关.
- 用PEF测量的肺功能并不能预测未来的认知能力下降.
- 研究结果表明,肺功能的先前存在的差异有助于认知变异性,在整个衰老过程中保持稳定.
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